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16#include <linux/init.h>
17#include <linux/platform_device.h>
18#include <linux/sysdev.h>
19#include <linux/interrupt.h>
20#include <linux/sched.h>
21#include <linux/bitops.h>
22#include <linux/fb.h>
23#include <linux/ioport.h>
24#include <linux/mtd/mtd.h>
25#include <linux/mtd/partitions.h>
26#include <linux/input.h>
27#include <linux/gpio_keys.h>
28#include <linux/pwm_backlight.h>
29#include <linux/smc91x.h>
30
31#include <asm/types.h>
32#include <asm/setup.h>
33#include <asm/memory.h>
34#include <asm/mach-types.h>
35#include <mach/hardware.h>
36#include <asm/irq.h>
37#include <asm/sizes.h>
38
39#include <asm/mach/arch.h>
40#include <asm/mach/map.h>
41#include <asm/mach/irq.h>
42#include <asm/mach/flash.h>
43
44#include <mach/pxa27x.h>
45#include <mach/gpio.h>
46#include <mach/mainstone.h>
47#include <mach/audio.h>
48#include <mach/pxafb.h>
49#include <plat/i2c.h>
50#include <mach/mmc.h>
51#include <mach/irda.h>
52#include <mach/ohci.h>
53#include <plat/pxa27x_keypad.h>
54#include <mach/smemc.h>
55
56#include "generic.h"
57#include "devices.h"
58
59static unsigned long mainstone_pin_config[] = {
60
61 GPIO15_nCS_1,
62
63
64 GPIOxx_LCD_TFT_16BPP,
65 GPIO16_PWM0_OUT,
66
67
68 GPIO32_MMC_CLK,
69 GPIO112_MMC_CMD,
70 GPIO92_MMC_DAT_0,
71 GPIO109_MMC_DAT_1,
72 GPIO110_MMC_DAT_2,
73 GPIO111_MMC_DAT_3,
74
75
76 GPIO88_USBH1_PWR,
77 GPIO89_USBH1_PEN,
78
79
80 GPIO48_nPOE,
81 GPIO49_nPWE,
82 GPIO50_nPIOR,
83 GPIO51_nPIOW,
84 GPIO85_nPCE_1,
85 GPIO54_nPCE_2,
86 GPIO79_PSKTSEL,
87 GPIO55_nPREG,
88 GPIO56_nPWAIT,
89 GPIO57_nIOIS16,
90
91
92 GPIO28_AC97_BITCLK,
93 GPIO29_AC97_SDATA_IN_0,
94 GPIO30_AC97_SDATA_OUT,
95 GPIO31_AC97_SYNC,
96 GPIO45_AC97_SYSCLK,
97
98
99 GPIO93_KP_DKIN_0,
100 GPIO94_KP_DKIN_1,
101 GPIO95_KP_DKIN_2,
102 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
103 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
104 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
105 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
106 GPIO98_KP_MKIN_4 | WAKEUP_ON_LEVEL_HIGH,
107 GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
108 GPIO103_KP_MKOUT_0,
109 GPIO104_KP_MKOUT_1,
110 GPIO105_KP_MKOUT_2,
111 GPIO106_KP_MKOUT_3,
112 GPIO107_KP_MKOUT_4,
113 GPIO108_KP_MKOUT_5,
114 GPIO96_KP_MKOUT_6,
115
116
117 GPIO117_I2C_SCL,
118 GPIO118_I2C_SDA,
119
120
121 GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
122};
123
124static unsigned long mainstone_irq_enabled;
125
126static void mainstone_mask_irq(struct irq_data *d)
127{
128 int mainstone_irq = (d->irq - MAINSTONE_IRQ(0));
129 MST_INTMSKENA = (mainstone_irq_enabled &= ~(1 << mainstone_irq));
130}
131
132static void mainstone_unmask_irq(struct irq_data *d)
133{
134 int mainstone_irq = (d->irq - MAINSTONE_IRQ(0));
135
136 MST_INTSETCLR &= ~(1 << mainstone_irq);
137 MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
138}
139
140static struct irq_chip mainstone_irq_chip = {
141 .name = "FPGA",
142 .irq_ack = mainstone_mask_irq,
143 .irq_mask = mainstone_mask_irq,
144 .irq_unmask = mainstone_unmask_irq,
145};
146
147static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
148{
149 unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
150 do {
151
152 desc->irq_data.chip->irq_ack(&desc->irq_data);
153 if (likely(pending)) {
154 irq = MAINSTONE_IRQ(0) + __ffs(pending);
155 generic_handle_irq(irq);
156 }
157 pending = MST_INTSETCLR & mainstone_irq_enabled;
158 } while (pending);
159}
160
161static void __init mainstone_init_irq(void)
162{
163 int irq;
164
165 pxa27x_init_irq();
166
167
168 for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
169 set_irq_chip(irq, &mainstone_irq_chip);
170 set_irq_handler(irq, handle_level_irq);
171 if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
172 set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
173 else
174 set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
175 }
176 set_irq_flags(MAINSTONE_IRQ(8), 0);
177 set_irq_flags(MAINSTONE_IRQ(12), 0);
178
179 MST_INTMSKENA = 0;
180 MST_INTSETCLR = 0;
181
182 set_irq_chained_handler(IRQ_GPIO(0), mainstone_irq_handler);
183 set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING);
184}
185
186#ifdef CONFIG_PM
187
188static int mainstone_irq_resume(struct sys_device *dev)
189{
190 MST_INTMSKENA = mainstone_irq_enabled;
191 return 0;
192}
193
194static struct sysdev_class mainstone_irq_sysclass = {
195 .name = "cpld_irq",
196 .resume = mainstone_irq_resume,
197};
198
199static struct sys_device mainstone_irq_device = {
200 .cls = &mainstone_irq_sysclass,
201};
202
203static int __init mainstone_irq_device_init(void)
204{
205 int ret = -ENODEV;
206
207 if (machine_is_mainstone()) {
208 ret = sysdev_class_register(&mainstone_irq_sysclass);
209 if (ret == 0)
210 ret = sysdev_register(&mainstone_irq_device);
211 }
212 return ret;
213}
214
215device_initcall(mainstone_irq_device_init);
216
217#endif
218
219
220static struct resource smc91x_resources[] = {
221 [0] = {
222 .start = (MST_ETH_PHYS + 0x300),
223 .end = (MST_ETH_PHYS + 0xfffff),
224 .flags = IORESOURCE_MEM,
225 },
226 [1] = {
227 .start = MAINSTONE_IRQ(3),
228 .end = MAINSTONE_IRQ(3),
229 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
230 }
231};
232
233static struct smc91x_platdata mainstone_smc91x_info = {
234 .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
235 SMC91X_NOWAIT | SMC91X_USE_DMA,
236};
237
238static struct platform_device smc91x_device = {
239 .name = "smc91x",
240 .id = 0,
241 .num_resources = ARRAY_SIZE(smc91x_resources),
242 .resource = smc91x_resources,
243 .dev = {
244 .platform_data = &mainstone_smc91x_info,
245 },
246};
247
248static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
249{
250 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
251 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
252 return 0;
253}
254
255static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
256{
257 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
258 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
259}
260
261static long mst_audio_suspend_mask;
262
263static void mst_audio_suspend(void *priv)
264{
265 mst_audio_suspend_mask = MST_MSCWR2;
266 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
267}
268
269static void mst_audio_resume(void *priv)
270{
271 MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
272}
273
274static pxa2xx_audio_ops_t mst_audio_ops = {
275 .startup = mst_audio_startup,
276 .shutdown = mst_audio_shutdown,
277 .suspend = mst_audio_suspend,
278 .resume = mst_audio_resume,
279};
280
281static struct resource flash_resources[] = {
282 [0] = {
283 .start = PXA_CS0_PHYS,
284 .end = PXA_CS0_PHYS + SZ_64M - 1,
285 .flags = IORESOURCE_MEM,
286 },
287 [1] = {
288 .start = PXA_CS1_PHYS,
289 .end = PXA_CS1_PHYS + SZ_64M - 1,
290 .flags = IORESOURCE_MEM,
291 },
292};
293
294static struct mtd_partition mainstoneflash0_partitions[] = {
295 {
296 .name = "Bootloader",
297 .size = 0x00040000,
298 .offset = 0,
299 .mask_flags = MTD_WRITEABLE
300 },{
301 .name = "Kernel",
302 .size = 0x00400000,
303 .offset = 0x00040000,
304 },{
305 .name = "Filesystem",
306 .size = MTDPART_SIZ_FULL,
307 .offset = 0x00440000
308 }
309};
310
311static struct flash_platform_data mst_flash_data[2] = {
312 {
313 .map_name = "cfi_probe",
314 .parts = mainstoneflash0_partitions,
315 .nr_parts = ARRAY_SIZE(mainstoneflash0_partitions),
316 }, {
317 .map_name = "cfi_probe",
318 .parts = NULL,
319 .nr_parts = 0,
320 }
321};
322
323static struct platform_device mst_flash_device[2] = {
324 {
325 .name = "pxa2xx-flash",
326 .id = 0,
327 .dev = {
328 .platform_data = &mst_flash_data[0],
329 },
330 .resource = &flash_resources[0],
331 .num_resources = 1,
332 },
333 {
334 .name = "pxa2xx-flash",
335 .id = 1,
336 .dev = {
337 .platform_data = &mst_flash_data[1],
338 },
339 .resource = &flash_resources[1],
340 .num_resources = 1,
341 },
342};
343
344#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
345static struct platform_pwm_backlight_data mainstone_backlight_data = {
346 .pwm_id = 0,
347 .max_brightness = 1023,
348 .dft_brightness = 1023,
349 .pwm_period_ns = 78770,
350};
351
352static struct platform_device mainstone_backlight_device = {
353 .name = "pwm-backlight",
354 .dev = {
355 .parent = &pxa27x_device_pwm0.dev,
356 .platform_data = &mainstone_backlight_data,
357 },
358};
359
360static void __init mainstone_backlight_register(void)
361{
362 int ret = platform_device_register(&mainstone_backlight_device);
363 if (ret)
364 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
365}
366#else
367#define mainstone_backlight_register() do { } while (0)
368#endif
369
370static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
371 .pixclock = 50000,
372 .xres = 640,
373 .yres = 480,
374 .bpp = 16,
375 .hsync_len = 1,
376 .left_margin = 0x9f,
377 .right_margin = 1,
378 .vsync_len = 44,
379 .upper_margin = 0,
380 .lower_margin = 0,
381 .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
382};
383
384static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
385 .pixclock = 110000,
386 .xres = 240,
387 .yres = 320,
388 .bpp = 16,
389 .hsync_len = 4,
390 .left_margin = 8,
391 .right_margin = 20,
392 .vsync_len = 3,
393 .upper_margin = 1,
394 .lower_margin = 10,
395 .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
396};
397
398static struct pxafb_mach_info mainstone_pxafb_info = {
399 .num_modes = 1,
400 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
401};
402
403static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
404{
405 int err;
406
407
408
409
410 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
411
412 err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
413 "MMC card detect", data);
414 if (err)
415 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
416
417 return err;
418}
419
420static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
421{
422 struct pxamci_platform_data* p_d = dev->platform_data;
423
424 if (( 1 << vdd) & p_d->ocr_mask) {
425 printk(KERN_DEBUG "%s: on\n", __func__);
426 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
427 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
428 } else {
429 printk(KERN_DEBUG "%s: off\n", __func__);
430 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
431 }
432}
433
434static void mainstone_mci_exit(struct device *dev, void *data)
435{
436 free_irq(MAINSTONE_MMC_IRQ, data);
437}
438
439static struct pxamci_platform_data mainstone_mci_platform_data = {
440 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
441 .init = mainstone_mci_init,
442 .setpower = mainstone_mci_setpower,
443 .exit = mainstone_mci_exit,
444 .gpio_card_detect = -1,
445 .gpio_card_ro = -1,
446 .gpio_power = -1,
447};
448
449static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
450{
451 unsigned long flags;
452
453 local_irq_save(flags);
454 if (mode & IR_SIRMODE) {
455 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
456 } else if (mode & IR_FIRMODE) {
457 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
458 }
459 pxa2xx_transceiver_mode(dev, mode);
460 if (mode & IR_OFF) {
461 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
462 } else {
463 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
464 }
465 local_irq_restore(flags);
466}
467
468static struct pxaficp_platform_data mainstone_ficp_platform_data = {
469 .gpio_pwdown = -1,
470 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
471 .transceiver_mode = mainstone_irda_transceiver_mode,
472};
473
474static struct gpio_keys_button gpio_keys_button[] = {
475 [0] = {
476 .desc = "wakeup",
477 .code = KEY_SUSPEND,
478 .type = EV_KEY,
479 .gpio = 1,
480 .wakeup = 1,
481 },
482};
483
484static struct gpio_keys_platform_data mainstone_gpio_keys = {
485 .buttons = gpio_keys_button,
486 .nbuttons = 1,
487};
488
489static struct platform_device mst_gpio_keys_device = {
490 .name = "gpio-keys",
491 .id = -1,
492 .dev = {
493 .platform_data = &mainstone_gpio_keys,
494 },
495};
496
497static struct platform_device *platform_devices[] __initdata = {
498 &smc91x_device,
499 &mst_flash_device[0],
500 &mst_flash_device[1],
501 &mst_gpio_keys_device,
502};
503
504static struct pxaohci_platform_data mainstone_ohci_platform_data = {
505 .port_mode = PMM_PERPORT_MODE,
506 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
507};
508
509#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
510static unsigned int mainstone_matrix_keys[] = {
511 KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
512 KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
513 KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
514 KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
515 KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
516 KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
517 KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
518 KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
519 KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
520
521 KEY(0, 4, KEY_DOT),
522 KEY(1, 4, KEY_CLOSE),
523 KEY(4, 4, KEY_SLASH),
524 KEY(5, 4, KEY_BACKSLASH),
525 KEY(0, 5, KEY_HOME),
526 KEY(1, 5, KEY_LEFTSHIFT),
527 KEY(2, 5, KEY_SPACE),
528 KEY(3, 5, KEY_SPACE),
529 KEY(4, 5, KEY_ENTER),
530 KEY(5, 5, KEY_BACKSPACE),
531
532 KEY(0, 6, KEY_UP),
533 KEY(1, 6, KEY_DOWN),
534 KEY(2, 6, KEY_LEFT),
535 KEY(3, 6, KEY_RIGHT),
536 KEY(4, 6, KEY_SELECT),
537};
538
539struct pxa27x_keypad_platform_data mainstone_keypad_info = {
540 .matrix_key_rows = 6,
541 .matrix_key_cols = 7,
542 .matrix_key_map = mainstone_matrix_keys,
543 .matrix_key_map_size = ARRAY_SIZE(mainstone_matrix_keys),
544
545 .enable_rotary0 = 1,
546 .rotary0_up_key = KEY_UP,
547 .rotary0_down_key = KEY_DOWN,
548
549 .debounce_interval = 30,
550};
551
552static void __init mainstone_init_keypad(void)
553{
554 pxa_set_keypad_info(&mainstone_keypad_info);
555}
556#else
557static inline void mainstone_init_keypad(void) {}
558#endif
559
560static void __init mainstone_init(void)
561{
562 int SW7 = 0;
563
564 pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
565
566 pxa_set_ffuart_info(NULL);
567 pxa_set_btuart_info(NULL);
568 pxa_set_stuart_info(NULL);
569
570 mst_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
571 mst_flash_data[1].width = 4;
572
573
574 mst_flash_data[SW7].name = "processor-flash";
575 mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
576
577 printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
578 mst_flash_data[0].name);
579
580
581
582
583
584 ARB_CNTRL = ARB_CORE_PARK | 0x234;
585
586 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
587
588
589
590 if (0)
591 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
592 else
593 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
594
595 set_pxa_fb_info(&mainstone_pxafb_info);
596 mainstone_backlight_register();
597
598 pxa_set_mci_info(&mainstone_mci_platform_data);
599 pxa_set_ficp_info(&mainstone_ficp_platform_data);
600 pxa_set_ohci_info(&mainstone_ohci_platform_data);
601 pxa_set_i2c_info(NULL);
602 pxa_set_ac97_info(&mst_audio_ops);
603
604 mainstone_init_keypad();
605}
606
607
608static struct map_desc mainstone_io_desc[] __initdata = {
609 {
610 .virtual = MST_FPGA_VIRT,
611 .pfn = __phys_to_pfn(MST_FPGA_PHYS),
612 .length = 0x00100000,
613 .type = MT_DEVICE
614 }
615};
616
617static void __init mainstone_map_io(void)
618{
619 pxa27x_map_io();
620 iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
621
622
623 PSLR |= 0xF04;
624 PCFR = 0x66;
625}
626
627MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
628
629 .boot_params = 0xa0000100,
630 .map_io = mainstone_map_io,
631 .nr_irqs = MAINSTONE_NR_IRQS,
632 .init_irq = mainstone_init_irq,
633 .timer = &pxa_timer,
634 .init_machine = mainstone_init,
635MACHINE_END
636
